document.write( "Question 1129218: How much centripetal force is needed to keep a 0.38 kg ball on a 1.55 m string moving in a circular path with a speed of 3.0 m/s? \n" ); document.write( "
Algebra.Com's Answer #745782 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"F+=+%28mv%5E2%29%2Fr+\"\r
\n" ); document.write( "\n" ); document.write( "given: \"m=0.38\",\"r=1.55\", and \"v=3\"
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\n" ); document.write( "\n" ); document.write( "\"F=+%280.38%2A3%5E2%29%2F1.55\"
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\n" ); document.write( "\"F=+%280.38%2A9%29%2F1.55\" \r
\n" ); document.write( "\n" ); document.write( "\"F=+3.42%2F1.55\" \r
\n" ); document.write( "\n" ); document.write( "\"F=+2.2\" Newtons\r
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